New features in the fish shell

Fish (the "friendly interactive shell") has the explicit goal of being more user-friendly than other shells. It features a modern command-line interface with syntax highlighting, tab completion, and auto-suggestions out of the box (all with no configuration required). Unlike many of its competitors, it doesn't care about being POSIX-compliant but attempts to blaze its own path. Since our last look at the project, way back in 2013, it has seen lots of new releases with features, bug fixes, and refinements aimed at appealing to a wide range of users. Some of the biggest additions landed in the 3.0 release, but we will also describe some other notable changes from version 2.1 up through latest version.

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